Molecular identification of the species composition of Russian isolates of pathogens, causing early blight of potato and tomato

Авторы: Elansky S., Pobedinskaya M., Kokaeva L., Statsyuk N., Alexandrova A.
Сборник: Euroblight. PPO-Special Report
Том: 15
Год издания: 2012
Место издания: PPO, Wageningen university Lelystad, The Netherland
Первая страница: 151
Последняя страница: 156
Аннотация: A comparative study of the genome structure has been carried out for seven large-spore and 25 small-spore strains, isolated in 2007-2010 from infected tomato and potato plants, growing in seven distant regions of the European part of Russia and Russian Far East. To make a comparison, a sequence of ribosomal genes and intergenic regions of the nuclear rDNA has been selected. The tested strains have been divided into three groups. The first one includes isolates, which were morphologically determined as A. alternata, A. tenuissima, and A. arborescens. These isolates do not have any differences in the structure of the studied DNA region. The second group includes largespore isolates, classified as A. solani. Some strains of this group differ from others in small singlenucleotide substitutions. No any differences between large-spore strains, isolated from potato and tomato, have been observed. The third group includes the only A. infectoria isolate, collected in 2010 in the Kostroma region.
Добавил в систему: Еланский Сергей Николаевич

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